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RE: SmartCharge - Led Bulb that gives 4 hours of light when the power goes out
Yes its not New, but yes most of us don't know about it, and at Country like Pakistan where electric load shedding is one of the main problem in most of the area, this bulb will really help
and help students mainly, so they can continue their studies
Yeah it might not be new as you said but what i like about it is that your wall switch which should normal work with AC power source can control this bulb when there is power outage.